Psychological Science. Study authors included Dr. Morten Christiansen, professor of psychology and co-director of Cornell’s Cognitive Science Program; Dr.
Arash Aryani, a researcher at Freie Universität Berlin; and Erin Isbilen, a graduate student in psychology.“For most words,” the authors wrote, “the relationship between sound and meaning appears arbitrary: The sound of a word does not typically tell us what it means.
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